Climate averages 1991–2020
Gemena weather
in September.
A hot, wet month: the joint 10th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Gemena: daytime highs average 28.8°C and nights cool to about 21.6°C. By daytime temperature it is the joint 10th warmest of the 12 months.
Expect about 159 mm of rain on roughly 24 days, which makes September a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 08 min on an average September day.
The nearest other city in this atlas is Binga (127 km away). In September its highs average 28.9°C, about as warm as Gemena, with 159 mm of rain.
Among the 60 cities listed in the Democratic Republic of the Congo, Gemena ranks joint 42nd of 60 for the warmest September highs and joint 50th of 60 for the driest September (rainfall, lowest first). The mean September high of those 60 cities is 29.6°C; Gemena is 0.8°C cooler than that mean.
From September to October, average highs stay level at 28.8°C, and monthly rainfall rises from 159 mm to 182 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Gemena climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 32.6°C22.2°C | 22.2°C | 27 | 5.7 | 12.012 h |
| February | 33.0°C23.1°C | 23.1°C | 51 | 8.6 | 12.012 h |
| March | 31.8°C23.2°C | 23.2°C | 132 | 17.2 | 12.112 h |
| April | 30.6°C23.0°C | 23.0°C | 138 | 18.9 | 12.212 h |
| May | 30.2°C22.8°C | 22.8°C | 114 | 18.9 | 12.312 h |
| June | 29.6°C22.2°C | 22.2°C | 95 | 18.1 | 12.312 h |
| July | 28.9°C21.6°C | 21.6°C | 123 | 21.3 | 12.312 h |
| August | 28.5°C21.5°C | 21.5°C | 162 | 24.8 | 12.212 h |
| September, selected | 28.8°C21.6°C | 21.6°C | 159 | 23.5 | 12.112 h |
| October | 28.8°C21.7°C | 21.7°C | 182 | 25.4 | 12.012 h |
| November | 29.3°C22.0°C | 22.0°C | 138 | 21.2 | 12.012 h |
| December | 30.7°C21.9°C | 21.9°C | 44 | 8.5 | 11.912 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Binga in SeptemberDemocratic Republic of the Congo · 127 kmHigh 28.9°C · Low 21.8°C · 159 mm rain
- Gbadolite in SeptemberDemocratic Republic of the Congo · 178 kmHigh 29.3°C · Low 22.0°C · 151 mm rain
- Bangui in SeptemberCentral African Republic · 183 kmHigh 29.4°C · Low 22.5°C · 158 mm rain
- Bimbo in SeptemberCentral African Republic · 187 kmHigh 29.1°C · Low 22.0°C · 158 mm rain
- Bégoua in SeptemberCentral African Republic · 191 kmHigh 29.1°C · Low 22.0°C · 198 mm rain
- Lisala in SeptemberDemocratic Republic of the Congo · 229 kmHigh 28.8°C · Low 22.1°C · 161 mm rain
- Bambari in SeptemberCentral African Republic · 297 kmHigh 29.1°C · Low 21.3°C · 190 mm rain
- Bumba in SeptemberDemocratic Republic of the Congo · 322 kmHigh 29.1°C · Low 22.4°C · 157 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Gemena) is explained once on the Gemena year overview and on the Sources, method and limits page.